<template>
  <div class="goodsinfo-container">
    <transition
      @before-enter="beforeEnter"
      @enter="enter"
      @after-enter="afterEnter"
    >
      <div class="ball" v-show="ballFlag" ref="ball"></div>
    </transition>

    <div class="mui-card">
      <div class="mui-card-content">
        <div class="mui-card-content-inner">
          <swiper :lunBotulist="lunbotu" :isFull="fasle"></swiper>
        </div>
      </div>
    </div>

    <div class="mui-card">
      <div class="mui-card-header">{{ goodsinfo.title }}</div>
      <div class="mui-card-content">
        <div class="mui-card-content-inner">
          <p class="price">
            市场价: <del>{{ goodsinfo.market_price }}</del
            >&nbsp;&nbsp;销售价：<span class="now_price">{{
              goodsinfo.sell_price
            }}</span>
          </p>
          <p>
            购买数量:
            <numbox
              @getcount="getSelectCount"
              :max="goodsinfo.stock_quantity"
            ></numbox>
          </p>
          <p>
            <mt-button type="primary" size="small">立即购买</mt-button>
            <mt-button type="danger" size="small" @click="addToShopCar"
              >加入购物车</mt-button
            >
          </p>
        </div>
      </div>
    </div>

    <div class="mui-card">
      <div class="mui-card-header">商品参数</div>
      <div class="mui-card-content">
        <div class="mui-card-content-inner">
          <p>商品货号：{{ goodsinfo.goods_no }}</p>
          <p>库存情况：{{ goodsinfo.stock_quantity }}</p>
          <p>上架时间：{{ goodsinfo | dateFormat }}件</p>
        </div>
      </div>
      <div class="mui-card-footer">
        <mt-button type="primary" size="large" plain @click="goDesc(id)"
          >图文介绍</mt-button
        >
        <mt-button type="danger" size="large" plain @click="goComment(id)"
          >商品评论</mt-button
        >
      </div>
    </div>
  </div>
</template>
<script>
import swiper from "../subcomponents/swiper.vue";
import numbox from "../subcomponents/goodsinfo_numbox.vue";
export default {
  data() {
    return {
      id: this.$route.params.id,
      lunbotu: [],
      goodsinfo: {},
      ballFlag: false,
      selectedCount: 1,
    };
  },
  created() {
    this.getLunBoTu();
    this.getGoodsInfo();
  },
  methods: {
    getLunBoTu() {
      this.$http.get("api/getthumimages/" + this.id).then((result) => {
        if (result.body.status === 0) {
          result.body.message.forEach((item, i) => {
            item.img = item.src;
          });
          this.lunbotu = result.body.message;
        }
      });
    },
    getGoodsInfo() {
      this.$http.get("api/goods/getinfo/" + this.id).then((result) => {
        if (result.body.status === 0) {
          this.goodsinfo = result.body.message[0];
        }
      });
    },
    goDesc(id) {
      this.$router.push({ name: "goodsdesc", params: { id } });
    },
    goComment(id) {
      this.$router.push({ name: "goodscomment", params: { id } });
    },
    addToShopCar() {
      this.ballFlag = !this.ballFlag;
      var goodsinfo = {
        id: this.id,
        count: this.selectedCount,
        price: this.goodsinfo.sell_price,
        selected: true,
      };
    
      this.$store.commit('addToCar', goodsinfo)
    },
    beforeEnter(el) {
      el.style.transform = "translate(0, 0)";
    },
    enter(el, done) {
      el.offsetWidth;

      const ballPosition = this.$refs.ball.getBoundingClientRect();
      const badgePosition = document
        .getElementById("badge")
        .getBoundingClientRect();
      const xDist = badgePosition.left - ballPosition.left;
      const yDist = badgePosition.top - ballPosition.top;

      el.style.transform = `translate(${xDist}px, ${yDist}px)`;
      el.style.transition = "all 0.5s ease";
      done();
    },
    afterEnter(el) {
      this.ballFlag = !this.ballFlag;
    },
    getSelectCount(count) {
      this.selectedCount = count;
    },
  },
  components: {
    swiper,
    numbox,
  },
};
</script>
<style lang="scss" scoped>
.goodsinfo-container {
  background-color: #eee;
  overflow: hidden;

  .now_price {
    color: red;
    font-size: 16px;
    font-weight: bold;
  }

  .mui-card-footer {
    display: block;
    button {
      margin: 15px 0;
    }
  }

  .ball {
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background-color: #f00;
    position: absolute;
    z-index: 999;
    left: 146px;
    top: 390px;
  }
}
</style>